Add hack language detection (extension .hh)
Add hack language detection (extension .hh)

LogeshEswar/codebox,CodeboxIDE/codebox,ronoaldo/codebox,LogeshEswar/codebox,code-box/codebox,quietdog/codebox,rajthilakmca/codebox,smallbal/codebox,kustomzone/codebox,blubrackets/codebox,rodrigues-daniel/codebox,ronoaldo/codebox,Ckai1991/codebox,listepo/codebox,quietdog/codebox,CodeboxIDE/codebox,indykish/codebox,blubrackets/codebox,indykish/codebox,ahmadassaf/Codebox,etopian/codebox,lcamilo15/codebox,rodrigues-daniel/codebox,fly19890211/codebox,etopian/codebox,nobutakaoshiro/codebox,ahmadassaf/Codebox,nobutakaoshiro/codebox,smallbal/codebox,Ckai1991/codebox,fly19890211/codebox,kustomzone/codebox,listepo/codebox,lcamilo15/codebox,code-box/codebox,rajthilakmca/codebox